Home>>Catalog>> Tapered Roller Bearing>>Single Row Taper Roller Bearing>>d:120-140mm>>Bearing NO.:7728 7728Back>>
Principal dimensions mm
  • d:140
  • D:230
  • T:58
  • B:57
  • C:45
  • r 1 .r 2 min:3
  • r 1 .r 2 min:3
  • r 3 .r 4 min:3
  • r 3 .r 4 min:3
Basic load ratings KN
  • Cr:395
  • Cor:661
Limit speed r/ min
  • Grease:1600
  • Oil:2200
  • Old code.:7728
  • New code.:7728
  • Mass kg:8.97
Fitting dimension mm
  • damax:182
  • dbmin:152
  • Damin:217
  • Damax:219
  • Dbmin:242
  • Camin:4.5
  • Cbmin:13
Calculation coefficient
  • e:0.44
  • Y :1.4
  • Yo :0.74
  • a:56
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